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[209.132.180.67]) by mx.google.com with ESMTP id d28si4733621otc.123.2020.01.31.07.14.32; Fri, 31 Jan 2020 07:14:45 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@amazon.com header.s=amazon201209 header.b="vSU/a8Td"; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=amazon.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729003AbgAaPNe (ORCPT + 99 others); Fri, 31 Jan 2020 10:13:34 -0500 Received: from smtp-fw-9101.amazon.com ([207.171.184.25]:33739 "EHLO smtp-fw-9101.amazon.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728846AbgAaPNe (ORCPT ); Fri, 31 Jan 2020 10:13:34 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.com; i=@amazon.com; q=dns/txt; s=amazon201209; t=1580483613; x=1612019613; h=from:to:cc:subject:date:message-id:in-reply-to: mime-version; bh=/LNOzaMe/3JZolWTvP9IVpSTbmeTWa8BUCvny72YYxY=; b=vSU/a8TdIL3WfKPkFbhL0fV1fVGlaiNxAujzM5V31a9GE9jSf0wHney4 bNonC+kIGzmNoLOgE1sN0jQiuH2MXqr97U+rbHKLtVuhTHWVqykJbe/3k xrWjEJigQ8jsnSuv381aTR59HDxcFiT9USEa10i/jzjI3tmvMhhJnEDMp U=; IronPort-SDR: KVYn3WWRFZcf3tBkHpyDu7mmLFvMRWRoxr8gDHFHRpJ7/4LVKKqIClS8gp9SN7t9eoYm0+9Rda Ar54+gtUYhcA== X-IronPort-AV: E=Sophos;i="5.70,386,1574121600"; d="scan'208";a="13861159" Received: from sea32-co-svc-lb4-vlan3.sea.corp.amazon.com (HELO email-inbound-relay-2a-d0be17ee.us-west-2.amazon.com) ([10.47.23.38]) by smtp-border-fw-out-9101.sea19.amazon.com with ESMTP; 31 Jan 2020 15:13:22 +0000 Received: from EX13MTAUEA002.ant.amazon.com (pdx4-ws-svc-p6-lb7-vlan3.pdx.amazon.com [10.170.41.166]) by email-inbound-relay-2a-d0be17ee.us-west-2.amazon.com (Postfix) with ESMTPS id BB7CCA230C; Fri, 31 Jan 2020 15:13:21 +0000 (UTC) Received: from EX13D31EUA001.ant.amazon.com (10.43.165.15) by EX13MTAUEA002.ant.amazon.com (10.43.61.77) with Microsoft SMTP Server (TLS) id 15.0.1236.3; Fri, 31 Jan 2020 15:13:21 +0000 Received: from u886c93fd17d25d.ant.amazon.com (10.43.162.249) by EX13D31EUA001.ant.amazon.com (10.43.165.15) with Microsoft SMTP Server (TLS) id 15.0.1367.3; Fri, 31 Jan 2020 15:13:16 +0000 From: To: Eric Dumazet CC: , David Miller , Shuah Khan , netdev , "open list:KERNEL SELFTEST FRAMEWORK" , LKML , , , SeongJae Park Subject: Re: Re: [PATCH 3/3] selftests: net: Add FIN_ACK processing order related latency spike test Date: Fri, 31 Jan 2020 16:13:02 +0100 Message-ID: <20200131151302.28040-1-sjpark@amazon.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: (raw) MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.43.162.249] X-ClientProxiedBy: EX13D17UWB001.ant.amazon.com (10.43.161.252) To EX13D31EUA001.ant.amazon.com (10.43.165.15) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 31 Jan 2020 06:56:13 -0800 Eric Dumazet wrote: > On Fri, Jan 31, 2020 at 4:25 AM wrote: > > > > From: SeongJae Park > > > > This commit adds a test for FIN_ACK process races related reconnection > > latency spike issues. The issue has described and solved by the > > previous commit ("tcp: Reduce SYN resend delay if a suspicous ACK is > > received"). > > > > I do not know for other tests, but using a hard coded port (4242) is > going to be flakky, since the port might be already used. > > Please make sure to run tests on a separate namespace. Agreed, will do so in next spin. Thanks, SeongJae Park